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@ Gregor
2025-05-08 08:59:11
Actually, I remembered that IAP technically usually use no Apple Pay, and regular credit card information saved with the Apple Account instead. Apple did add an Apple Pay option for Apple Account payments more recently, to my knowledge only as a supplementary method for certain transactions, while mandating regular credit card payments for others.
I summary, using IAP purchases, depending on the payment methods tied to an Apple Account, usually use direct card transactions and no Apple Pay, likely making your issue an Apple Account payments privacy issue.